On Mon, 2023-11-27 at 16:51 -0500, Vivi, Rodrigo wrote:
alan: Firstly, thanks for taking the time to review this, knowing you have a
lot on your plate right now.
>
alan:snip
> > @@ -3301,19 +3315,38 @@ static inline void guc_lrc_desc_unpin(struct
> > intel_context *ce)
> > /* Seal race
On Tue, Nov 14, 2023 at 07:52:29AM -0800, Alan Previn wrote:
> If we are at the end of suspend or very early in resume
> its possible an async fence signal (via rcu_call) is triggered
> to free_engines which could lead us to the execution of
> the context destruction worker (after a prior worker
If we are at the end of suspend or very early in resume
its possible an async fence signal (via rcu_call) is triggered
to free_engines which could lead us to the execution of
the context destruction worker (after a prior worker flush).
Thus, when suspending, insert rcu_barriers at the start
of
